15 lb threshold
Identify circuits at or above the 15 lb full-charge threshold.
Facility managers
Owner-controlled history for covered equipment.
Create sites, assets, and covered circuit records. Send 48-hour service links to technicians. Keep completed service records connected to the correct equipment history.
HVACAudit by Subpart helps owners manage Subpart C refrigerant records for covered circuits. Subpart provides accounts, service links, reports, billing, and compliance history.
48-hour service linksOwners send a temporary link to the technician.
No technician accountThe technician can complete the service record without logging in.
Certification numberCertification number and service notes are captured with the record.
Owner historyCompleted records stay connected to the owner’s site, asset, and covered circuit.
Inventory
Start with covered circuit records and independent circuits.
A reliable compliance record begins with covered circuit setup, clear equipment identity, service links for technicians, and consistent service-event history.
Circuit identity
For equipment with multiple independent circuits, each independent circuit is considered a separate appliance for Subpart C leak-repair purposes.
Retention review
Decide which circuits require Professional retention.
Service links
Collect technician service work under the owner account.
Use 48-hour service links so technicians can complete service records without being added to the owner account.
Owner control
The owner creates the site, asset, and covered circuit before sending the link.
Technician details
Certification number and service notes are captured with the record.
Link visibility
Owners can see whether a service link is active, completed, or expired.
Plans
Included Subpart C circuit licenses and Professional retention.
Every Subpart account includes 3 free Subpart C circuit licenses for covered refrigerant circuit records. Use Professional Subpart C circuit licenses for covered circuits that require 4-year retention.
| Capability | Included Subpart C circuit license | Professional Subpart C circuit license |
|---|---|---|
| Price | Included with account | $9 per covered circuit |
| Quantity | 3 included circuit licenses per account | Additional paid circuit licenses |
| Records | Compliance reports and service records | Compliance reports and service records |
| History | 180-day rolling history | 4-year data retention |
| Audit records | Cryptographically verifiable records | Cryptographically verifiable records |
FAQ
Common questions
Short answers for coverage, service links, calculation, and account history.
What should facility managers set up first?
Start with sites, assets, circuits, full charge, refrigerant type, category, and exclusion checks.
Why does circuit-level history matter?
For equipment with multiple independent circuits, each independent circuit is considered a separate appliance for Subpart C leak-repair purposes.
How does technician service get into the owner history?
The owner sends a 48-hour service link, and the completed service record is added to the owner’s compliance history.
References
Primary references
Use current rule text and EPA materials for compliance decisions.
Support
Subpart support
Questions about accounts, billing, service links, or calculator access?